111SM117-H2

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Snap Action, Limit Switches.

The 111SM117-H2 is a type of snap action, limit switch. A limit switch is an electromechanical device used to control electrical devices and machines in industrial environments and often used for automation. These devices are used to detect the presence and/or absence of an item, or a specific position and actuates a set of electrical contacts when this happens. As such, limit switches are used to influence the operation of machinery, and can be used as safety interlocks to prevent people from operating dangerous machinery.

The operation of a limit switch requires two distinct movements; the first is a mechanical operation that allows the switch to move between an open and a closed position, while the second is an electrical operation that is responsible for activating electrical current. This combination of mechanics and electricity gives the switch its unique properties.

The 111SM117-H2 has a specific application area. It can be used to detect movement in machines or to limit the movement of objects, such as in a limit switch used to limit the movement of a conveyor belt or a door. This switch is also used in robotics applications to detect the presence or absence of an object, or the position of an object. In industrial applications, they can be used in assembly lines or in automated manufacturing processes.

The working principle of the 111SM117-H2 is based on a rotary knob that is leveraged up or down to make or break the contact. This rotary knob is preloaded in one direction by means of a spring. This spring tension is adjusted in order to determine the force needed to move the knob and its sensitivity. The knob is attached to a bell crank mechanism that governs the direction of the switch’s action and its return. When the knob is activated, it is forced against a contact which then amplifies its movement and allows the contacts to be closed or opened.

The 111SM117-H2 also features a reinforced plunger arm that is designed to resist wear, as well as a corrosion resistant construction for longevity. It also has a dual-bearings closure mechanism for extended service life.

The 111SM117-H2 is a reliable and precise limit switch solution for industrial applications, allowing users to easily detect the presence or absence of an object, or the position of an object, as well as control the operation of machinery. Its spring-loaded rotary knob and reinforced plunger arm make it reliable and durable, ensuring years of reliable operation.

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